1 VISION ZERO STRIVING TO ELIMINATE TRAFFIC DEATHS

1 VISION ZERO STRIVING TO ELIMINATE TRAFFIC DEATHS AND SERIOUS INJURIES ON SOMERVILLE’S STREETS Mayor Joseph A. Curtatone Brad Rawson Director of Transportation & Infrastructure September 6, 2017

2 Crashes Reported on Somerville Streets, 2010 -2017 700 600 279 500 236 400 238 265 242 240 221 300 200 386 320 300 294 2010 2011 2012 323 302 2013 2014 371 305 100 0 Jan-Jul Aug-Dec 2015 2016 2017

3 Crash Trends by Mode 600 Number of Crashes 500 400 2013 300 2014 2015 200 2016 100 0 MV Only Bicycle Involved Pedestrian Involved

4 Serious Injuries by Mode 10 9 Number of Crashes 8 7 6 2013 5 2014 4 2015 2016 3 2 1 0 MV Only Bicycle Involved Pedestrian Involved

5 Crashes Involving People on Bikes in Somerville Bicycle-Involved Collision Type 20 18 16 14 12 Average (2013 -2015) 10 2016 8 6 4 2 0 Angle Left Cross Dooring Right Hook Sideswipe Rear End Head On Other

6 Serious Injuries by Mode 10 9 8 Number of Crashes 7 6 2013 2014 5 2016 4 3 2 1 0 MV Only Bicycle Involved Pedestrian Involved

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9 Mobility is Changing Rapidly

10 More Commuters are Walking and Biking, While Motor Vehicle has Remained Steady 35 Traffic survey locations around Somerville Webster @ Newton: Morning Commute People on Foot People on Bikes Indexed Change 6. 00 55 5. 00 36 4. 00 183 3. 00 105 10 2. 00 1. 00 Motor Vehicles 70 795 870 865 0. 00 2008 2012 2016 Source: City-contracted traffic counts performed by licensed engineers

11 Changing Mobility Behavior 35 survey locations around Somerville People on Foot Prospect @ Somerville: Evening Commute People on Bikes Motor Vehicles 6. 00 Indexed Change 5. 00 4. 00 105 3. 00 74 2. 00 40 59 1. 00 78 36 1, 162 1, 132 1, 176 2012 2016 0. 00 2008 Source: City-contracted traffic counts performed by licensed engineers

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13 Systems-based approach to Vision Zero Environmental Sustainability Public Health & Safety Social Equity Economic Activity

14 Systems-based approach to Vision Zero Environmental Sustainability Public Health & Safety Social Equity Economic Activity

15 Systems-based approach to Vision Zero Environmental Sustainability Public Health & Safety Social Equity Economic Activity

16 Systems-based approach to Vision Zero BEFORE AFTER Environmental Sustainability Public Health & Safety Social Equity Economic Activity

17 Speed is the Difference

18 “ 20 is Plenty” – Why Speed Matters

19 We are Building Somerville’s First Speed Database Source: OSPCD / Somer. Stat Traffic Count database

20 Enforcement Safety Zones Engineering Traffic Calming

Pedestrian Involved Crashes Require Intersection-based Intervention 21 Source: Somerville Police Department crash report database

Bicycle Planning Requires Thinking About Corridors 22 Source: Somerville Police Department crash report database

23 Enforcement Toolkit has Changed Webster Avenue: July 2017 Remove School Zone 20 mph Enforceable “when children are present” Install Safety Zone 20 mph Enforceable 24 / 7 / 365

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25 Evaluation: Have Speeds Changed in Safety Zones? Location: Summer Street at Green Street 35 34 33 32 31 30 29 28 27 26 2017

26 Large Vehicle Safety

27 Several Traffic Calming Tools in Use Today Raised Intersection Temporary Speed Hump Curb Extensions Temporary Chicane

28 Traffic Calming in Union Square

29 Parking Protected Bike Facility: New For Somerville

30 Parking Protected Bike Facility: New For Somerville

31 Low-stress routes are growing

32 Action Plan Coming 2018

33 Vision Zero Challenges to be considered moving forward: Results: Crashes will continue. VZ commitments can create constituent frustration if the numbers and severity remain stubbornly high (San Francisco lesson) Proactive vs. reactive policy: Rapid response is a natural instinct following a terrible crash. VZ commitments can help balance resource allocation between established priorities and emergency response needs (Boston lesson)

34 Q&A